SUMMARY

• Expertise Senior Network Engineer, Virtualization, Network Storage, Network Security, Applications and Services.
• Extensive experience Cisco ISE version 2.4 Wireless, Dot1x, AnyConnect, and BYOD Authentication for clients.
• Troubleshoot wireless network issues Confidential teh Wireless Controller, using Debug commands, Ekahau and Wireshark.
• Experience wif deploying Wi - Fi in large enterprise network environments utilizing Multiple Wireless Venders.
• Wi-Fi deployments on campus and fortune 500 clients using Air Magnet and Fluke analyzers to validate wireless infrastructures.
• Experience wif DNA-C leveraging automation and orchestration to push standard configurations and to use plug in play for hardware deployments.
• Ekahau experience wif deploying Multi-Vendor Cloud Based Wireless LAN controllers and Virtual Wireless LAN Controllers.
• Implement Services and Policies on teh Arista, Cisco Switches, Cisco Prime, HP Aruba CPPM and CISCO ISE 2.4.
• Expertise implementing Wireless Controllers, AP’s, Routers, Switches for 802.11 and Wireless Mobility projects.
• Perform Troubleshooting Confidential teh Wireless Controllers for AP’s associations and Wireless Client Association.
• Configure and troubleshoot wired infrastructure to support WLANs: VLANS, VTP, STP, Stacking and Ether channel
• Completed Wireless Communications Projects for MSC’s: Confidential &T, Verizon, Sprint, Samsung, Ericson and Windstream
• Experienced Multi-Vendor Software Define Network Engineer and Network Function Virtualization Engineer.
• Extensive experience in Cisco APIC Enterprise, Open Day Light and ONOS controllers and Automation tools.
• Extensive experience Design and Implement Cisco ISE Policy server ver2.0 for Fortune 500 clients.
• Expertise to planning, designing, implementing, operating and troubleshooting complex SDN & NFV networks.
• Experienced Software defined networking (SDN) and network function virtualization (NFV) for Wi-Fi networks.
• Experienced wif Linux, KVM & ESI hypervisors & VMWare venter, Understanding of SDN and NFV Architecture
• Experience implementing Servers, Hypervisors, Controllers, Storage, and Creating Virtual Machines Instances.
• 2.4Ghz and 5Ghz certification and validations designs and remediating gaps in coverage area.
• Implement guest profiles, BYOD, certificate-based access, and experience setting up RF profiles groups.
• Experience wif dot1x configuration on switches and wired/wireless experience including posture assessment.
• Experience implementing Open Stack, VMware NSX, Docker Containers and experience wif ESI Servers.
• ITIL v3 practices, processes and familiar wif a variety of teh field concepts, practices, and procedures.
• Configured and troubleshoot security: L2 security policies, Association filters, Local radius, dot1x profiles, Guest
• Configuring and troubleshooting: radio settings, multicast, QoS and Autonomous Deployment Models
• Experience migrating ACS to ISE 2.2 security appliance, add ISE to Wireless controllers for authentication.
• Experience using tools like Wire-shark to test or troubleshoot data throughput speeds
• Experience analyzing traffic and utilizing packet sniffer utilities (Wires-hark, Net-scout, JDSU tools)
• Experience wif design wif Ekahau, installation and configuration of Cisco and Aruba wireless controller base architecture.
• Experience using Air Magnet to import drawings and scale location to perform predictive site surveys for RF design.
• Provide consulting & guidance on network technologies, tooling and design to other teams.
• Act as teh subject matter experts on teh network, setting teh long-term roadmaps and leading teams to improve teh underlying technologies
• Strong skills in teh following MS products; Word, PowerPoint, Excel, SharePoint, and Visio
• Relies on experience and judgment to plan and accomplish goals.
• Performs a variety of tasks and lead and direct teh work of others.
• Andrew is a US Citizen, local to Sandy Springs, GA and available for Phone Interview

TECHNICAL SKILLS

• Cisco Controllers CAT 9800, 8540, 5520 and 3802, implementing 802.11 WLAN networks.
• Five plus years working wif Cisco Security, Cisco ISE, strong problem-solving skills and customer support.
• Performed Passive surveys and troubleshoot interferences wif Wi-Fi tools such as: Air magnet, Spectrum Analyzer.
• Manage and configure Cisco Wireless Controllers, AP’s and wired end points wif Cisco Identity Service Engine.
• Configure, management and troubleshoot L2 and L3 switches and devices on teh Physical and virtual network.
• Troubleshooting Routing/Switching, wireless LAN controllers, Server maintenance, implementation and deployment.
• Perform updates on Wireless Controllers and access switches using Prime infrastructure to push updates.
• noledge and theoretical understanding of IEEE 802.11 specifications (a/b/g/n/ac/ax (WiFi 6) protocol stack.
• Experience wif Cisco DNAC in integrations wif Cisco Wireless, routers, and switches.
• Cisco 5508 Wireless Controller, Cisco 3315 Identity Service Engine, Aruba Controller’s and Aruba APs
• Supported Load Balancers, Wireless networks, and Layer 3 switches (Nexus), ASA FTD and FMC installation.
• 2800, 1900, 2900, 3800, 3900 series Cisco Routers and Cisco Nexus 7000, ASR 9000, 7200 and 6500.
• IEEE 802.11 standards (ac, b, g, N), DHCP, IPv4/IPv6, TCP/IP, 802.1x Wi-Fi, Wireless Controllers 5760, 4400 and 5500
• Network Security - IPSEC & GRE WLAN, AAA, 802.1x, Architecture, TACACS+, RADIUS TrustSec, IIS, Active Directory
• Enterprise Security deployment: MAC Authentication Bypass (MAB), Local Web AUTH (LWA), Central Web AUTH (CWA), 802.1X authentication, tested: TrustSec SGT and Change of Authorization (CoA) wifin Cisco Identity Service Engine.
• Maintain and refresh teh network’s operational infrastructures such as routers, switches, Wireless Access Points.
• F5 Load Balancer, BIG-IP administration and configuration tasks using APM load-balanced pool of web servers.
• Acceleration solutions Knowledge of firewall/ VPNs applications and uses.
• Routing protocols: EIGRP, OSPF, BGP and LAN Switching: VLAN, VTP, STP, Fabric Path & Ether Channel, COS
• Post-Installation site-survey, develop and perform user acceptance testing, transfer and documentations
• Systems Administrator to support teh Windows and Linux server field deployment and VMWARE vSphere 6.0
• Split, Standalone and Distributed ISE Ver 2.0 Deployments in small, medium and large deployments.
• Manage and configure Open Day Light and ONOS in teh cloud and virtual environments.
• Thorough noledge of VMware, vSphere 6.0, Cisco Prime, WCS and Cisco Mobility Services Engine.
• Manage enterprise networks writing automation scripting in python to manage Network Administration task
• Manage, procure, and oversee teh implementation of inside and outside plant scopes of work
• Obtain quotes, request necessary funding, and track purchase orders through equipment installation
• Understanding of teh OSI Network Layer model, and its practical implementation, IOS XE & XR
• Advanced noledge and hands-on experience wif AWS services, VPC, ELB, EC2, RDS, S3, Cloud Formation templates, Terraform, EKS. etc.,
• Microservices related skills such as API gateway, Lambda in S3, Redshift, RDS, MongoDB/DynamoDB ecosystems

PROFESSIONAL EXPERIENCE

Confidential, Springfield, VA

Senior Core Network Engineer

Responsibilities:

• Wireless Systems Architecture, Implementation, Troubleshooting and High availability for enterprise networks.
• Assist wif technical and cost proposals for new opportunities as well as for upgrades and technical refresh of Wireless systems;
• Responsible for creating SOW, scheduling deployments and implementations of wireless controllers, access points, switches and routers.
• Convert customer requirements or product requirements into total systems requirements which are verifiable by Inspection, Analysis, Demonstration or Testing.
• Working technical noledge of current network hardware, protocols, and standards, including:
• TCP/IP, DHCP, DNS, IPv4/IPv6, Gigabit, FDDI, 100 Megabit, Fiber Channel.
• Responsible for configuring Wireless Controllers, switches, and Cisco's Wave 2 Aironet Wi - Fi access points.
• Hands-on experience in managing Wi-Fi networks - WLC, AP configuration, AP to LAN Switch connectivity.
• Work wifin a team environment and apply noledge of IT and network engineering concepts to complete projects and initiatives on time.
• Develop repeatable best practices and design guides.
• Ability to effectively prioritize and execute tasks in a high-pressure environment.
• Ability to operate in remote locations solo to produce full connectivity for users.
• Troubleshooting Wi-Fi issues related connectivity, coverage and authentication issues.
• Ability to conduct research into systems issues and products as required.
• Good written and oral communication skills.
• Excellent listening and interpersonal skills.

Confidential, Alpharetta, GA

Senior Wireless Engineer/ Architect

Responsibilities:

• Implement Cisco WLAN and 802.11 Enterprise deployments experience and expertise wif delivery.
• Implement Catalyst 9800 and 5520 Wireless network controllers, 3800 AP s and Switching configurations.
• Implement Cisco 8540 Wireless Controller Direct Connect, via DNA Spaces Connector for enterprise companies.
• Implement Aruba 7010,7200 series Wireless network controller and 300, 200 Series AP s for enterprises.
• Implemented Aruba Wireless controllers, Aruba Airwave and Aruba Clear Pass in enterprise environments.
• Expertise to troubleshooting, planning, designing, implementing, and operating complex SDN & NFV networks.
• Wireless Network designing wif Ekahau, implementing, operation maintenance and administration.
• Wireless Controllers deployments in local, cloud and data center environments for large clients.
• Review studies and standardizes procedures to improve efficiency and effectiveness of IT operations

Confidential, Alpharetta, GA

Senior Wireless & Network Engineer/ Architect

Responsibilities:

• Wireless Network designing wif Ekahau, Deploying, implementing, troubleshooting, and administration.
• Wireless Controllers implementing in local, cloud and data center environments for large clients.
• Implement 5520 and 5508 Wireless network controllers, 3700 AP’s and Routing and Switching configurations
• Implement Cisco Catalyst 9800 Wireless controller 3802 and 1852 Series AP’s for enterprise companies.
• Implement Catalyst 9800 on a Cisco ENCS 5412 using VNFs and Cisco DNA Center for zero touch.
• Implement Aruba 7010 Wireless network controller and 200 Series AP’s for enterprise companies.
• Implement Cisco 8540 Wireless Controller Direct Connect, via DNA Spaces Connector for enterprise companies.
• Configuration and deployment of wireless controllers, access points and integration wif authentication, authorization and TACACS & RADIUS AAA services systems in accordance wif policies.
• Implement AWS infrastructure from-premises and connect to a cloud network infrastructure.
• Schedule site surveys and walk through, coordinate site refresh, and monitor site progress remotely
• Administer F5 ASM and Palo Alto firewall utilizing Layer 7 to manage business application wif layer 7 protection
• F5 LTM Load Balancer to manage traffic in enterprise environment
• Palo Alto firewall management from new build outs, upgrades, VPN configurations, policy management.
• Design and Implement Central Web Authentication wif WLC, Cisco ISE Ver 2.0 for Fortune 500 clients.
• Extensive experience design and Implement Cisco ISE Policy server ver2.0 for Fortune 500 client.
• Experience migrating ACS to ISE 2.4 security appliance, add ISE to Wireless controllers for authentication.
• Network Security and DHCP, IPv4/IPv6, TCP/IP, GRE, SSL, IPSEC VPNs, IIS, Active Directory
• Setup and Test remote access concepts using AnyConnect VPN’s for remote clients.
• Ability to solve problems and troubleshoot to provide solutions remedies wifin network and close tickets.

Confidential, Pontiac, MI

Senior Wireless & Network Engineer/ Architect

Responsibilities:

• Deploy Wi-Fi services responsible for teh Design, Installation, Testing, Implementation and Maintenance of teh Wireless Network wif Cisco Identity Service Engine or Aruba Clear Pass
• Setup lab and production for test and troubleshoot Cisco Identity Services Engine 2.4 for global enterprise.
• Implement Cisco WLAN and 802.11 Enterprise deployments experience and expertise wif delivery.
• Implement Catalyst 9800 and 5520 Wireless network controllers, 3800 AP’s and Switching configurations.
• Implement Aruba 7010,7200 series Wireless network controller and 300, 200 Series AP’s for enterprises.
• Implemented Aruba Wireless controllers, Aruba Airwave and Aruba Clear Pass in enterprise environments.
• Expertise to troubleshooting, planning, designing, implementing, and operating complex SDN & NFV networks.
• Troubleshoot wireless network issues- Confidential teh Cisco Wireless Controllers and Wireshark Extensive experience design and Implement Cisco ISE Policy server ver2.0 for Fortune 500 client.
• Experience migrating ACS to ISE 2.4 security appliance, add ISE to Wireless controllers for authentication.
• Implement 5520 and 3802 Wireless network controllers, 3700 AP’s and Routing and Switching configurations
• Implement Aruba 7010 Wireless network controller and 200 Series AP’s for enterprise companies.
• Investigated and troubleshoot security related issues dealing wif IPS.
• Schedule site surveys and walk through, coordinate site refresh, and monitor site progress remotely
• Design and Implement Central Web Authentication wif WLC, Cisco ISE Ver 2.0 for Fortune 500 clients.
• Setup and Test remote access concepts using AnyConnect VPN’s for remote clients.
• Ability to solve problems and troubleshoot to provide solutions remedies wifin network and close tickets.
• Performs troubleshooting activities encompassing system design issues and upgrade plans
• Determines work procedures, prepares work schedules, and expedites workflow to teams
• Enterprise level Cisco ISE administration, Cisco Gen 2 Prime configuration, troubleshooting and maintenance.
• Implemented Aruba Wireless controllers, Aruba Airwave and Aruba Clear Pass in enterprise environments.
• Review studies and standardizes procedures to improve efficiency and effectiveness of IT operations
• Manage complex projects related to all aspects of teh Telecommunications infrastructure and construction
• Design Wireless Systems for Inside & Outside infrastructure in a fast-paced collaborative environment
• Design Wireless Projects end-to-end plan design, controls production, and implements and monitors systems
• Experience supporting firewall systems (Checkpoint, Palo Alto and Cisco ASA, FTD and FMC installation)

Confidential, Knoxville, TN

Network Infrastructure Services / Core Network Engineer

Responsibilities:

• Supports operation management for customer-servicing infrastructure implementation projects
• Familiarity wif 4G/3G standards and cellular concepts, cellular feature and application noledge
• Able to create development test cases and running in a test environment
• Solid noledge of LTE, WCDMA, and windows subsystems
• Experience ordering, configuring and testing carrier optical circuits and Solid design of redundancy, diversity, failover technologies and expandability in teh network architecture
• Promote teh use of repeatable processes to increase throughput and rapid deployment and Manage individual workload and deliver to agreed-upon milestones
• F5 Load Balancer, BIG-IP administration and configuration tasks using APM load-balanced pool of web servers.
• Administer F5 ASM and Palo Alto firewall utilizing Layer 7 to manage business application wif layer 7 protection
• F5 LTM Load Balancer to manage traffic in enterprise environment
• Design an effective test plan for any new / changed customer-servicing infrastructure
• Ensure communication of process and procedure changes to teh IT organization.
• Highly motivated and self-directed individual, bringing a strong sense of focus and energy to work

Confidential, Deerfield Parkway, Alpharetta GA

Global Wireless Data Engineer | Network Engineer

• Deploy and operate Cisco wireless network architecture to support teh access needs throughout teh company and convert access points from autonomous mode to Flex connect mode
• Wi-Fi deployments to teh latest technology standards, remediating gaps in coverage, deploying new Wi-Fi services including guest, BYOD, certificate-based access in 70 locations worldwide
• Configuration and deployment of wireless controllers, access points and integration wif authentication, authorization and TACACS & RADIUS AAA services systems in accordance wif policies
• Previous experience wif deploying Wi-Fi in a large enterprise networks utilizing Multiple Wireless Venders and Cisco MSE version 7.6 and Cisco Wireless LAN controllers 4400, 5508, 8510 Series OS version 7.6.
• Responsible for design and configuration of LAN/WAN environment for core and access node in U.S. and transcontinental cities utilizing network hardware such as Cisco 2800 & 3800 series routers, Cisco 4506, and Cisco 6509 switches
• Responsible for network traffic analysis, capacity planning, and monitoring and reporting network throughput via Solar-Winds, SevONE, Nagios, PRTG and Cisco Prime RTMT (Real-Time-Monitoring Tool)
• Implemented traffic measures such as Net Flow IP networking and routing, DHCP, IPv4/IPv6, TCP/IP
• Installed and maintained security infrastructure, including Cisco IDS/IPS, log management, and security assessment systems
• Assess threats, risks, and vulnerabilities from emerging security issues
• Implemented security measures such as: ACL, RADIUS, TACACS+ and IDS/IPS

Confidential, Meridian Blvd Franklin, TN

Cisco Wireless Network Engineer/ Architect

Responsibilities:

• Wireless Network Engineer for troubleshooting, configuring and tuning of wireless voice phone systems Confidential Medical facilities and Enterprise locations.
• Experience Cisco Wireless Engineer, Wireless Controllers, Access Points, Cisco routers and Switches.
• Strong analytical and troubleshooting skills on Cisco 3800 router.
• Antennas, IEEE 802.11 standards (a, b, g, N), 802.1x Wi-Fi, 1Q Trunking, Ether channel
• Wireless Controllers 5760,5500 & 4400, CSMA/CA, RTS, CTS protocols, RF transmission
• Teh ability to handle critical customer issues/problems.
• Teh ability to determine problems and deliver non solutions wif a high level of customer satisfaction.
• Teh ability to determine root cause and resolution for previously unnon problems.
• Teh ability to work on problems of moderate to wide scope and moderate to high complexity where analysis of situations or data requires a review of identifiable factors.
• Teh ability to exercises judgment wifin defined procedures to determine appropriate action.
• Good verbal communication skills, teh ability to interact across TAC teams and development teams Confidential peer level
• Troubleshooting skills Wireless Access Points, Wireless Client Association
• Strong analytical and troubleshooting skills wif IP networking and routing DNS, DHCP, IPv4/IPv6, TCP/IP.
• Strong understanding of LAN Switching technologies (VLANs) Cisco 4700 and 3650 switches
• WLAN Security in teh areas of authentication, encryption, IDS/IPS using Radius, AAA authentication, EAP,
• LEAP, PEAP, PSK, AES-CCMP encryption (AES- Counter w. CBC MAC Protocol), Wireless Sniffers
• WEP encryption (Wired Equivalent Privacy, WPA (Wi-Fi Protocol Access), WPA2
• Cisco LWAPP and IOS based solutions, WLSM, WiSM, WCS
• Avaya CS1000 and 6140 Phones configuration

Confidential, Acres Drive Bloomfield, NJ

Project Coordinator | Transport Engineer/Consultant

Responsibilities:

• Detailed noledge of telecommunication engineering concepts, fundamentals, and theory for Wireless and Wired Networks projects, implementing and deploying Cisco's Prime Network Element Management System.
• Experience in troubleshooting issues in lab and commercial networks and strong debugging skills.
• WIFI network design, planning networks and deployment of network infrastructure to next level.
• Customer support setting up accounts and budgets for new and existing wireless projects and perform audits.
• Ability to understand customer requirements and present solutions dat will meet business objectives.
• Maintain cross-department communications to understand priorities and scale resources.
• Implemented Cisco ISE version 1.4, Wireless, Dot1x, AnyConnect for VPN, and BYOD Authentication for client.
• Distributed Antenna Systems, Remote Radio Head end systems ACS provisioning and compact base stations.
• Working noledge of GPRS/EDGE, UMTS & IP Multimedia Core Subsystem Volte, SIP, packet data networks and teh core data nodes: SGW/PGW/PCEF, PCRF GGSN, RADIUS, DHCP, DNS, Routers, IPv4/IPv6, TCP/IP.
• Teh ability to lead projects, including planning and implementing short and long-term scope of work plans and successfully completing projects on schedule.
• Knowledge of LTE Performance from end to end and focus on LTE Call Flow and call fall back.
• Supports teh virtualization of components allowing a flexible network infrastructure.
• Installation, test and turn up, monitor and scheduling routine maintenance to telecom industry standards.
• Trace a data packet through teh LTE Network and teh various Nodes.
• Statement of work, Site survey, signal reading and project planning & management.
• Work wif teh team to complete complex project configuring switches and routers.
• Experience in co-ordination wif various Telco, and Facilities teams
• Strong noledge and experience wif Cisco routing, switching and ACS provisioning.
• Network installation of: Cisco Routers, Cisco Switches, Hubs, NICS, CSU/DSU, Modems, Cabling, T3, T1.
• Run projects of small complexity - leading team members to accomplish stated objectives.
• Support teh organization’s project management policy, practice and methodology.
• Strong ability to communicate effectively wif customers, vendors and management.

Confidential

RF Engineer | Network Engineer | Consultant

Responsibilities:

• Implementation of all required administration and construction of base stations for Sprint Network.
• Provide hands on and technical support of new Samsung MMBS for Sprint Network. Integrate.
• Operate and maintain over 500 sites in teh New York, Pennsylvania, Ohio and West Virginia Markets.
• Perform installation of Sprint 2.5 equipment. (Batterie­s, DU Shelf, Fiber, AC/DC Power, Rectifiers, and Routers).
• Conducted test calls over teh Samsung Network Vision Equipment. Correct fiber and Power issues.
• Maintain RMA tracking and documentation for MMBS equipment. Perform Q-Scope’s and Network Testing.
• Work closely wif Sprint and Samsung management reporting daily status and completions.
• Follow up installation, Maintenance and troubleshooting of CAT 5 and 6 data networks.
• Configured Cisco ASR 901k Router (Firmware, License and Configuration).
• Performed Alarm Testing on Samsung MMBS Cabinets (Texon and Emerson).
• Connect MMBS lines to all sectors radios perform PIM test and Sweep Test.
• Run projects of small complexity - leading team members to accomplish stated objectives.
• Support teh organization’s project management policy, practice and methodology.

Confidential, St Pittsburgh, PA

Project Manager | Network Engineer | Consultant

Responsibilities:

• 15 years’ deploying 802.11 networks and 10 years’ wireless design experience.
• Perform surveys and validations for new and existing wireless infrastructure projects.
• Ability to understand customer requirements and present solutions dat will meet business objectives
• Experience Cisco Wireless Engineer, Wireless Controllers, Access Points, Cisco routers and Switches.
• Build Distributed Antenna Systems, Remote Radio Head end systems and compact base stations
• Designing, deploying Cisco, Nexus, ROKUS, Aruba Clear pass and Airwave WLAN environments
• PM wireless communications projects for MSC’s: Confidential &T, Verizon, Sprint, Samsung and Ericson, Windstream
• Experience wif and ability to use Propagation analysis software IP networking and routing
• Experience wif IP networking and routing DNS, DHCP, IPv4/IPv6, TCP/IP.
• Experience wif spectrum analyzers and 802.11 analyzers
• Experience network management and monitoring tools: Cisco Prime, SolarWinds, SevOne and PRTG monitors
• Understanding of radio frequency interference and teh ability to resolve radio frequency interference
• Cell site Back haul network and Layer 3 network which supports Clients 4G LTE services
• Experience in troubleshooting issues in lab and commercial networks and strong debugging skills
• Analysis of Proper call flow requests, responses and/or updates using Tracing tools
• Manage contractors and DAS Construction Project Managers during teh construction process
• Experience wif SIP, Diameter, TCP, UDP and other LTE-EPC and IMS Protocols
• Monitor, Analyze, Capture and resolve faults occurring in Network Elements
• Knowledge of Cisco wireless controllers, Access Points and integration wif authentication, authorization and accounting (AAA) systems in accordance wif policies
• Expertise in Multiple Server Operating Systems (Windows and Linux)
• Design and implement Palo Alto VPN solutions in WLAN environments securing Firewalls.
• Experience deploying and implementing Firewalls/ VPNs (Cisco ASA, Palo Alto, and Checkpoint)
• Trace a data packet through teh LTE Network and teh various Nodes
• Statement of work, Site survey, Signal Reading and Project Planning & amp, management
• Work wif teh team to complete complex 802.11 Wireless installations and deployments remotely
• Experience in co-ordination wif various Telco, Cabling, Audio Video, Security, Facilities teams
• Provisioned F5 Load Balancer, Cisco routers and switches. Installed order circuits and network equipment
• Experience analyzing traffic and utilizing packet sniffer utilities (i.e. Wires-hark, Net-scout, JDSU tools)
• Experience using tools like Wire-shark to test or troubleshoot data throughput speeds
• Experience using Check Point Security Management to support client's mission critical networks
• Lead projects, including planning and implementing and successfully completing projects on schedule
• Run projects of small complexity - leading team members to accomplish stated objectives.
• Support teh organization’s project management policy, practice and methodology.
• Strong interpersonal, communication, Problem-Solving skills combined wif technical understanding of Voice, Data, VOIP, WIFI, RF and Fiber Optic systems.